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goldeneye-pc-port/docs/dev
James Dansereau 25b46e020a diag(D193): instrument the locomotion / anim-root-motion path
Two #ifdef PORT env-gated probes (default-inert, no golden regression):

- GE_D193A (chr.c chrTick): per-wall-second per-chr travel speed +
  the root-motion scalars (scale / anim_translation_scale / animrate /
  playspeed / model->speed / g_GlobalTimerDelta). GE_D193A_CHR=<n>
  narrows to one chrnum.
- GE_D193B (model.c sub_GAME_7F06D3F4): rate-limited raw anim-bitstream
  root-motion decode (joint / mtx base channel / decoded s16 triple /
  angle / the D32 bitDescriptors+bitStream addrs).

Silo + Facility captures: every port-side input to the locomotion math
reads nominal -- g_GlobalTimerDelta=2.0, playspeed=1.0, scale=0.1,
anim_translation_scale=1.0, and the C in this path is identical to N64
(only the non-firing D156 NaN guards are #ifdef PORT). animrate=0.0 is
the default (only set on blended transitions). Patrolling guards travel
~60-99 u/s. GE_D193B shows base=0 / angle=0 on every call.

So the divergence is either subtle wrong magnitudes in the decoded
bitstream values, or in the pos34 accumulation -- neither visible
without an N64-decomp reference trace. Findings D193 + GE-ENV-PROBES
updated with the numbers and the next step (build n64decomp/007 with
matching logging and diff, or frame-count reference footage). One
explicit structural check flagged: ModelSkeleton.Joints (ModelJoint*,
4->8 B) reached via model->obj->Skeleton from D43/D45-converted data.

Claude-Session: https://claude.ai/code/session_01U7gyYC3pcatXHhD1kPCgsR
2026-09-08 09:50:06 -04:00
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2026-09-01 19:28:59 -04:00